In no environment is hiring outside help mean your not qualified to exist. Should a homeowner know how to replace a roof before they can own a house? Repair HV

In no environment is hiring outside help mean your not qualified to exist. Should a homeowner know how to replace a roof before they can own a house? Repair HVAC appliances, upgrade a switch label? If I don't know how to make a CPU should I not be allowed to buy a laptop? Hiring help from outside is how the free market works. Goods and _services_